Dynamite Friction 631-31063R Disc Brake Rotor - Front Right

Overview of the DFC Brake Rotor - Drilled and Slotted - Silver

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-31063R) is engineered for BMW models including the 535i, 545i, 550i, 645Ci, and 650i. This vented disc brake rotor features a directional, slotted and drilled surface designed to enhance braking performance and heat dissipation.

• Nominal thickness: 30 mm with a discard thickness of 28.4 mm
• Vented rotor design for improved cooling
• Directional slotted and drilled surface for debris removal and consistent pad contact
• Zinc silver hat finish with rust-resistant coating
• Five bolt holes with 14.6 mm diameter and 120 mm bolt circle diameter
• Overall diameter of 348 mm and height of 77.1 mm
• Center hole diameter of 79 mm for precise fitment

Detailed Product Description

The 631-31063R rotor from Dynamite Friction’s DFC Brake Rotor - Drilled and Slotted - Silver line is designed specifically for select BMW vehicles, including the 535i, 545i, 550i, 645Ci, and 650i. This rotor features a vented design that helps dissipate heat more effectively during braking, reducing the risk of brake fade under demanding conditions. The directional slotted and drilled surface improves water and gas evacuation, maintaining consistent braking performance and pad bite. The zinc silver hat finish combined with a rust-resistant coating helps protect the rotor from corrosion, extending its service life. The rotor’s precise dimensions, including a 348 mm outside diameter and 77.1 mm height, ensure proper fitment and compatibility with the specified BMW models.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on BMW 535i, 545i, 550i, 645Ci, and 650i
• Improves braking consistency in wet or high-heat conditions
• Reduces brake fade during aggressive driving or towing
• Addresses rotor corrosion issues with rust-resistant coating
• Enhances pad life by maintaining even contact and heat dissipation

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness of 28.4 mm before installation
• Clean rotor surface and hub mounting area to prevent runout
• Torque lug nuts to manufacturer specifications using the 5-bolt pattern with 14.6 mm diameter holes
• Check compatibility with OEM brake pads designed for vented, slotted, and drilled rotors
• Inspect brake calipers and hardware during installation for optimal performance

Quality Assurance and Warranty

Dynamite Friction’s DFC Brake Rotor - Drilled and Slotted - Silver line is manufactured to meet or exceed OEM specifications for fit, form, and function. The 631-31063R rotor undergoes rigorous quality control to ensure durability and performance. This rotor includes a rust-resistant coating to extend service life and maintain structural integrity. Warranty details should be confirmed with the point of purchase or manufacturer documentation.